Vertiv 10H92873 User manual

EXTERNAL SYNCHRONISATION BOX
INSTALLATION AND OPERATING INSTRUCTIONS
INSTALLATIONS- UND GEBRAUCHSANLEITUNG
NOTICE D'INSTALLATION ET D'UTILISATION
ISTRUZIONI DI INSTALLAZIONE E USO
INSTRUCCIONES PARA LA INSTALACIÓN Y EL USO
INSTRUÇÕES DE INSTALAÇÃO E USO
РУКОВОДСТВО ПО УСТАНОВКЕ И ЭКСПЛУАТАЦИИ
KURMA VE KULLANMA KILAVUZU
INSTRUKCJA INSTALACJI I OBSŁUGI
I stallatio ma ual 10H92873 rev. 8

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ENGLISH..................................................................................................................................................... 5
ATTENTION........................................................................................................................................................................................... 5
DESCRIPTION ....................................................................................................................................................................................... 5
ELECTRICAL CHARACTERISTICS........................................................................................................................................... 6
MECHANICAL CHARACTERISTICS........................................................................................................................................ 6
TYPICAL CONFIGURATIONS...................................................................................................................................................... 7
INSTALLATION................................................................................................................................................................................... 11
DEUTSCH................................................................................................................................................. 27
ACHTUNG............................................................................................................................................................................................. 27
BESCHREIBUNG................................................................................................................................................................................ 27
ELEKTRISCHE EIGENSCHAFTEN ......................................................................................................................................... 28
MECHANISCHE EIGENSCHAFTEN ...................................................................................................................................... 28
TYPISCHE KONFIGURATIONEN............................................................................................................................................ 29
INSTALLATION.................................................................................................................................................................................. 33
FRANÇAIS............................................................................................................................................... 49
ATTENTION........................................................................................................................................................................................ 49
DESCRIPTION .................................................................................................................................................................................... 49
CARACTERISTIQUES ELECTRIQUES ................................................................................................................................. 50
CARATERISTIQUES MECANIQUES...................................................................................................................................... 50
CONFIGURATIONS TYPIQUES................................................................................................................................................. 51
INSTALLATION................................................................................................................................................................................. 55
ITALIANO................................................................................................................................................. 71
ATTENZIONE ...................................................................................................................................................................................... 71
DESCRIZIONE...................................................................................................................................................................................... 71
CARATTERISTICHE ELETTRICHE......................................................................................................................................... 72
CARATTERISTICHE MECCANICHE...................................................................................................................................... 72
CONFIGURAZIONI TIPICHE ....................................................................................................................................................... 73
INSTALLAZIONE............................................................................................................................................................................... 77
SPAÑOL.................................................................................................................................................... 93
ATENCIÓN ........................................................................................................................................................................................... 93
DESCRIPCIÓN.................................................................................................................................................................................... 93
CARACTERÍSTICAS ELÉCTRICAS........................................................................................................................................ 94
CARACTERÍSTICAS MECÁNICAS......................................................................................................................................... 94
CONFIGURACIONES TÍPICAS.................................................................................................................................................. 95
INSTALACIÓN.................................................................................................................................................................................... 99
PORTUGUÊS........................................................................................................................................... 115
ATENÇÃO............................................................................................................................................................................................ 115
DESCRIÇÃO........................................................................................................................................................................................ 115
CARACTERÍSTICAS ELÉCTRICAS....................................................................................................................................... 116
CARACTERÍSTICAS MECÂNICAS........................................................................................................................................ 116
CONFIGURAÇÕES TÍPICAS....................................................................................................................................................... 117
INSTALAÇÃO.................................................................................................................................................................................... 121
РУССКИЙ............................................................................................................................ 137
ВНИМАНИЕ ........................................................................................................................ 137
ОПИСАНИЕ ........................................................................................................................ 137
ЭЛЕКТРИЧЕСКИЕ ХАРАКТЕРИСТИКИ ........................................................................... 138
МЕХАНИЧЕСКИЕ ХАРАКТЕРИСТИКИ............................................................................. 138
ТИПИЧНЫЕ КОНФИГУРАЦИИ.......................................................................................... 139
УСТАНОВКА ....................................................................................................................... 143

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TÜRKÇE.................................................................................................................................................. 159
DİKKAT................................................................................................................................................................................................. 159
TANIMLAMA..................................................................................................................................................................................... 159
ELEKTRİK ÖZELLİKLERİ ........................................................................................................................................................... 160
MEKANİK ÖZELLİKLER.............................................................................................................................................................. 160
TİPİK KONFİGURASYONLAR .................................................................................................................................................. 161
KURMA................................................................................................................................................................................................. 165
POLSKI..................................................................................................................................................... 181
UWAGA ................................................................................................................................................................................................. 181
OPIS......................................................................................................................................................................................................... 181
CHARAKTERYSTYKA ELEKTRYCZNA............................................................................................................................. 182
CHARAKTERYSTYKA MECHANICZNA............................................................................................................................ 182
TYPOWE KONFIGURACJE........................................................................................................................................................ 183
INSTALACJA..................................................................................................................................................................................... 187

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ENGLISH
1. ATTENTION
The followi g i stallatio procedure must be carried out by properly trai ed a d qualified perso el o ly. Be-
fore carryi g out a y operatio , e sure that:
• The UPS a d the Sy c. Box are switched OFF (all fro t-pa el i dicators exti guished),
• The UPS a d the Sy c. Box a d related i stallatio s are isolated from all power supplies, mai s a d
battery.
• All power supplies up stream of the UPS are switched off.
SHOULD THE UPS BE SWITCHED ON CARRY OUT THE SWITCH-OFF PROCEDURE AS DESCRIBED IN THE
UPS HANDBOOK
2. DESCRIPTION
This device has bee desig ed for use i complex power source systems, co sisti g of differe t distributio
s a d CROSS switches supplied by Vertiv a d other ma ufacturers. It provides sy chro isatio betwee Vertiv
80-NET a d 90-NET UPS, a d third party systems, whe it ca ot be guara teed by the system co figuratio
or whe temporary co ditio s preve t it (e.g. duri g battery operatio ).
Examples of co figuratio s where the Exter al Sy c. Box ca be used:
(1) I stallatio co sisti g of two Vertiv systems;
(2) I stallatio co sisti g of Vertiv systems a d electrical ge erati g devices;
(3) I stallatio co sisti g of Vertiv a d third party systems.
the equipme t co sists of a electro ic u it, housed i a metal box that ca be mou ted by the side of the
UPS, or i side the electrical distributio pa el. It requires a 230 V i put refere ce supply a d ca be used to
supply two u its.
Whe i stalli g the u it i side a distributio pa el or UPS, e sure the metal box is secured i such a way that
it ca ot fall or touch metal parts at hazardous voltages: it is recomme ded ot to i stall it behi d the seco d
access pa el or i fro t of the wi dows used as air i lets.
The device operates by ide tifyi g o e of the co ected u its as the Master a d usi g its freque cy as a ref-
ere ce for the other u its (Slaves). While other bra d UPS ca be used as the Master, o ly Vertiv UPS ca be
used as Slave u its.
Depe di g o their co figuratio , the Slave u its will follow the refere ce freque cy all the time, or o ly whe
their reserve mai s supply is out of tolera ce.
The refere ce freque cy will be ge erated o ly whe the Master mai s supply li e is withi acceptable limits.
The device ca drive up to two separate u its, which may be i depe de t of o e a other, or co ected to-
gether i a parallel system: where the i stallatio co sists of more tha two Slave u its, or the Master/Slave
co figuratio is ot the preferred optio we advise usi g Vertiv Multi Bus sy chro isatio Module (MBSM) –
Part No. 10B14545G1.
This device does ot affect the system MTBF (i.e. it is ot a Si gle Poi t of Failure for the system); the i divid-
ual u its will ig ore this sig al if it is outside the acceptable limits.
Co tact Vertiv Tech ical Support for a y i formatio ot covered i this docume t.

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3. ELECTRICAL CHARACTERISTICS
4. ECHANICAL CHARACTERISTICS
• Le gth = 181 mm
• Width = 94 mm
• Height = 64 mm
Fig. 2 - Fro t pa el UPS sy c. outputs
Mi . Nomi al Max. U it
Supply voltage (50/60 Hz si usoidal) 180 230 250 V
Supply curre t - 14 - mA
Output curre t (per cha el) 25 - 30 mA
Worki g temperature -10 - 40 °C
Phase stability error - 0.18 - °
Phase shift withi voltage tolera ce ra ge
a)
a) Voltage withi +/- 10% of omi al value.
- 1.5 - °
Fig. 1 - Rear pa el refere ce supply i put

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5. TYPICAL CONFIGURATIONS
5.1. TWO SYSTE S WITH SEPARATE AINS SUPPLIES
Whe two UPS are co ected to two separate power sources, the i verter attempts to sy chro ise with their
respective bypass li es, but, si ce these may ot be i phase, sy chro isatio ca ot be guara teed. Eve if
the two u its are supplied from a commo li e, whe o e, or both, is i battery mode there will be o commo
i put sig al, a d the outputs will ot be sy chro ised.
Whe the Exter al Sy chro izatio Box is i stalled, o e of the UPS outputs must be chose as the Master, all
the other UPS (Slave) outputs will the follow this refere ce: see Fig. 3 for details.
Fig. 3 - Two separate mai s supplies
N.B. fuses should be i stalled i the phase sig al li e, upstream of the Sy c. Box i order to protect agai st the
damage caused by short circuits. If the Master UPS is a 90-NET, these fuses are ot required provided the de-
vice is co ected to the dedicated termi als - XT1 pi s 100 a d 200.
I stallatio tips: UPS B should be co figured i order to follow exter al sy chro ism sig al. This is achieved
by setti g the mai sy chro izatio source to exter al sig al: otherwise UPS will be i phase with its ow by-
pass li e a d will follow exter al sy chro izatio o ly whe this is out of tolera ce.

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5.2. TWO EQUIP ENTS WITH CO ON BYPASS LINE
Whe two UPS are co ected with commo bypass li e, the sy chro izatio of the two i verters is gra ted
by this commo li k; but sometimes this feature ca fall, due to i dividual protectio upstream this li e. Usi g
the followi g solutio , the two systems will be always sy chro ized; eve if o e of the two bypass li e is out
of tolera ce. More over, these u its will be ormally capable of sy chro ous operatio .
Fig. 4 - Commo bypass li e
N.B. fuses should be co ected at the begi i g of the sig al li e i order to avoid fires i case of short circuit
i the wires. Whe usi g the proper output termi als i e 90-NET UPS, these fuses are ot required.
I stallatio tips: UPS A a d B should be co figured with mai sy chro izatio source to bypass: otherwise
UPS wo ’t be capable of sy chro ous tra sfer to bypass.

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5.3. VERTIV SYSTE S AND ELECTRICAL GENERATING DEVICES
The Exter al sy chro isatio Box ca be used to provide phase refere ce to Vertiv UPS i i stallatio s with
alter ative power sources, such as diesel ge erators, see Fig. 5.
Fig. 5 - Vertiv systems a d electrical ge erati g devices
N.B. fuses should be i stalled i the phase sig al li e, upstream of the Sy c. Box i order to protect agai st the
damage caused by short circuits.

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5.4. VERTIV AND THIRD PARTY BRAND UPS IN THE SA E INSTALLATION
The device ca also be used to sy chro ise Vertiv UPS with other bra d UPS systems. The Vertiv u its must
be co figured as the Slave devices so that they follow the phase refere ce sig al derived from the o -Vertiv
Master UPS. UPS1 a d 2 may be co figured as parallel or si gle u its, see Fig. 6.
Fig. 6 - Vertiv a d third party bra d UPS
I stallatio tips: UPS 1 a d 2 should be co figured i order to follow exter al sy chro ism sig al. This is
achieved by setti g the mai sy chro izatio source to exter al sig al: otherwise UPS will be i phase with its
ow bypass li e a d will follow exter al sy chro izatio o ly whe this is out of tolera ce.

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6. INSTALLATION
6.1. INSTALLATION KIT - 10B14515G1
The equipme t is supplied with the followi g compo e ts:
Co ect the PE, a d Master phase a d eutral sig als to the Sy c. Box refere ce sig al i put (see Fig. 1) usi g
the the female IEC 10 A plug a d a suitable power cable.
Co ect the Slave UPS(s) to the Sy c. Box UPS output(s) (see Fig. 2) usi g the RJ-45 short cable(s).
6.2. INSTALLATION TIPS
• Co ect the Sy c. Box i put earth cable to a protective earth termi al.
• Positio the Sy c. Box ear to the Slave u its.
• Use shielded RJ-45 cables.
• Co ect the RJ-45 cable (10H54910P15) directly to the co trol board, do ot use termi als to exte d
co ectio s.
• Positio the Sy c. Box i a suitable locatio , protected from harmful e viro me tal co ditio s such as:
vibratio , dust, corrosive atmospheres, high humidity.
• I stall a 2 A slow-blow fuse o the phase sig al li e, as close as possible to the Master u it (u less
usi g a 90-NET with dedicated, fuse-protected termi als as the Master u it)
• If the Box is mou ted o top of a UPS, e sure that it does ot obstruct air outlets.
WARNING!
The Sy ch. Box must be supplied from L1 a d N.
NOTE:
O ce the above co ectio s have bee completed, please follow the procedure related to the UPS model used
i the followi g APPENDIX:
APPENDIX A -> 90-NET
APPENDIX B -> 80-NET / 70-NET
APPENDIX C -> 80-NET (BLACK)
APPENDIX D -> 80-EXL / EXL S1 / TRINERGY CUBE
Item Descriptio Part No. Qua tity
1 Circuit board 10B10877G1 1
2 Metal box 1
3 RJ-45 short cable 10H54910P15 1
4 I stallatio ma ual 10H92873 1
5 Female IEC 10 A plug 10H46776P01/02 1

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6.3. APPENDIX A - 90-NET
6.3.1. PARA ETERS SETTING
6.3.1.1. ENABLE EXTERNAL SYNCHONISATION CONTROL
O ce all the co ectio s are do e as per I stallatio Ma ual, switch o QS1 o the first UPS a d perform the
followi g steps:
I PPVis -> Parameter I put -> "[27] Parallel a d Ext Sy c Co figuratio ", set the followi g parameters:
• PNU 51 "Access level CU" set to "Experts - Level 3 (3)";
• PNU 799 "SF - Super service" set to "SF 4 (4)";
• PNU 52 "Fu ctio selectio CU" set to "H/W I it - URL (2)";
• PNU 579 "E able Exter al sy chro izatio " set to "Sy ch with exter al Freq (1)";
Se d all the parameters accordi g to the list above (use the se d pushbutto );
O ce the parameters are at the "Actual Value" retur to ormal operatio as follows:
• PNU 52 "Fu ctio selectio CU" set to "Retur (0)";
• PNU 799 "SF - Super service" set to "SF 0 (0)";
• PNU 51 "Access level CU" set to "Normal Operatio - Level (1)";
The i PPVis -> Parameter I put -> "[14] P75 I v Special Performa ce Class", set the followi g parameters:
• PNU 51 "Access level CU" set to "Experts - Level 3 (3)";
• PNU 799 "SF - Super service" set to "SF 4 (4)";
• PNU 52 "Fu ctio selectio CU" set to "H/W I it - URL (2)";
• PNU 75.21 "X_UR2_CRE" set to "0" (will later be used to calculate the offset);
• PNU 75.22 "X_UR3_UV" set to "1024";
• PNU 75.23 "X_UR3_IV" set to "1024";
• PNU 75.25 "X_UR3_CRE" set to "4096";
Se d all the parameters accordi g to the list above (use the se d pushbutto );
O ce the parameters are at the "Actual Value" retur to ormal operatio as follows:
• PNU 52 "Fu ctio selectio CU" set to "Retur (0)";
• PNU 799 "SF - Super service" set to "SF 0 (0)";
• PNU 51 "Access level CU" set to "Normal Operatio - Level (1)";
• O ce back i ormal operatio ope QS1 a d the electro ics will shut dow ;
Follow these steps for ALL the u its co ected to ESB.
6.3.2. OFFSET CO PENSATION TUNING
The parameter 75.21 has bee desig ed to compe sate the phase error, i troduced by the UPS co trol, be-
twee the freque cy refere ce comi g from the ESB a d the i verter output sig al.
To carry out this procedure a oscilloscope betwee reserve i put a d i verter output must be used. The ESB
must be already i stalled a d i terco ected to the UPS system. The PNU 579 must be already loaded a d
set to 1.
The PNU 75.21 calibratio must be do e o each UPS composi g the system.
Please, perform the followi g steps:
• Co ect your oscilloscope to the first UPS;
(Co ect "Cha el 1" to "Bypass I put L1 & N" a d "Cha el 2" to "UPS Output L1 & N", as show i the followi g
figure)

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Fig. 7 -
• With NO LOAD co ected, start the i verter;
• Ope the reserve i put switch QS2;
• Verify o the oscilloscope the phase error betwee i verter a d bypass.
The followi g figures shows a example of NO SYNC (Fig. 8) a d SYNC (Fig. 9):
Fig. 8 - Synchro Error 88,56 [°]
Fig. 9 - Sy chro Error 88,56 [°]
Whe there is NO SYNC we eed to determi e the offset betwee the two wave forms, i the example of "Fig.
8" there is a differe ce of 88,56°.
ESB
Main BUS A
Reserve input
oscilloscope
UPS An
F
ref
CH1
CH2
(L1-N)

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I order to e sure a correct sy chro isatio we will e ter a value i PNU 75.21, this is our offset.
To calculate the offset value:
PNU 75.21 = phase-error [°] * 65536 / 360
PNU 75.21 = 88,56° x 65536 / 360
PNU 75.21 = 16121
NOTE:
If by usi g this formula you are ot able to compe sate the offset, try with the followi g formula:
PNU 75.21 = (360 - phase error [°]) * 65536 / 360
After havi g calculated the ew value for PNU 75.21, please proceed with followi g steps to cha ge it:
• Close QS2 o this first UPS, wait for the War i g W2 - Bypass Switch Ope - to be cleared;
• Stop the i verter;
I PPVis -> Parameter I put -> "[14] P75 I v Special Performa ce Class", set the followi g parameters:
• PNU 51 "Access level CU" set to "Experts - Level 3 (3)";
• PNU 799 "SF - Super service" set to "SF 4 (4)";
• PNU 52 "Fu ctio selectio CU" set to "H/W I it - URL (2)";
• PNU 75.21 "X_UR2_CRE" set to "the ew calculated value" (16121 i our example);
Se d all the parameters accordi g to the list above (use the se d pushbutto );
O ce the parameters are at the "Actual Value" retur to ormal operatio as follows:
• PNU 52 "Fu ctio selectio CU" set to "Retur (0)";
• PNU 799 "SF - Super service" set to "SF 0 (0)";
• PNU 51 "Access level CU" set to "Normal Operatio - Level (1)";
• Start the i verter a d ope QS2 agai , check that the SYNC is ow accordi g to example i "Fig. 9";
• Close QS2 agai ;
• Procedure complete for UPS1;
NOTE:
This offset compe satio procedure must be followed for ALL the u its co ected to ESB.

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6.4. APPENDIX B - 80-NET / 70-NET (50-60KVA)
6.4.1. PARA ETERS SETTING
6.4.1.1. ENABLE EXTERNAL SYNCHONISATION CONTROL
O ce all the co ectio s are do e as per I stallatio Ma ual, switch o QS1 o the first UPS a d perform the
followi g steps:
I PPVis -> Parameter I put -> "[10] [CU-I verter] I verter I it", set the followi g parameters:
• PNU 51.0 "Access level CU" set to "Experts - Level 3 (3)";
• PNU 799.0 "SF - Super service" set to "SF 4 (4)";
• PNU 52.0 "Fu ctio selectio CU" set to "H/W I it - URL (2)";
• PNU 579.0 "E able Exter al sy chro izatio " set to "Yes (1)";
• PNU 67.1 "VEC_EXT_PHI_OFFSET" set to "0";
• PNU 67.2 "VEC_EXT_SYN_F_LIM" set to "1024";
• PNU 67.3 "VEC_EXT_SYN_PHI_LIM" set to "1024";
• PNU 67.4 "VEC_DELTA_F_GAIN" set to "4096";
Se d all the parameters accordi g to the list above (use the se d pushbutto );
O ce the parameters are at the "Actual Value" retur to ormal operatio as follows:
• PNU 52.0 "Fu ctio selectio CU" set to "Retur (0)";
• PNU 799.0 "SF - Super service" set to "SF 0 (0)";
• PNU 51.0 "Access level CU" set to "Normal Operatio - Level (1)";
• O ce back i ormal operatio ope QS1 a d the electro ics will shut dow ;
Follow these steps for ALL the u its co ected to ESB.
6.4.2. OFFSET CO PENSATION TUNING
The parameter 67.1 has bee desig ed to compe sate the phase error, i troduced by the UPS co trol, betwee
the freque cy refere ce comi g from the ESB a d the i verter output sig al.
To carry out this procedure a oscilloscope betwee reserve i put a d i verter output must be used. The ESB
must be already i stalled a d i terco ected to the UPS system. The PNU 579 must be already loaded a d
set to 1.
The PNU 67.1 calibratio must be do e o each UPS composi g the system.
Please, perform the followi g steps:
• Co ect your oscilloscope to the first UPS;
(Co ect "Cha el 1" to "Bypass I put L1 & N" a d "Cha el 2" to "UPS Output L1 & N", as show i the followi g
figure)
Fig. 10 -
• With NO LOAD co ected, start the i verter;
• Ope the reserve i put switch QS2;
• Verify o the oscilloscope the phase error betwee i verter a d bypass.
ESB
Main BUS A
Reserve input
oscilloscope
UPS An
F
ref
CH1
CH2
(L1-N)

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The followi g figures shows a example of NO SYNC (Fig. 11) a d SYNC (Fig. 12):
Fig. 11 - Synchro Error 88,56 [°]
Fig. 12 - Synchro Error 0 [°]
Whe there is NO SYNC we eed to determi e the offset betwee the two wave forms, i the example of "Fig.
11" there is a differe ce of 88,56°.
I order to e sure a correct sy chro isatio we will e ter a value i PNU 67.1, this is our offset.
To calculate the offset value:
PNU 67.1 = phase-error [°] * 65536 / 360
PNU 67.1 = 88,56° x 65536 / 360
PNU 67.1 = 16121
NOTE:
If by usi g this formula you are ot able to compe sate the offset, try with the followi g formula:
PNU 67.1 = (360 - phase error [°]) * 65536 / 360
After havi g calculated the ew value for PNU 67.1, please proceed with followi g steps to cha ge it:
• Close QS2 o this first UPS, wait for the War i g W2 - Bypass Switch Ope - to be cleared;
• Stop the i verter;

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I PPVis -> Parameter I put -> "[10] [CU-I verter] I verter I it":
• PNU 51.0 "Access level CU" set to "Experts - Level 3 (3)";
• PNU 799.0 "SF - Super service" set to "SF 4 (4)";
• PNU 52.0 "Fu ctio selectio CU" set to "H/W I it - URL (2)";
• PNU 67.1 "VEC_EXT_PHI_OFFSET" set to "the ew calculated value" (16121 i our example);
Se d all the parameters accordi g to the list above (use the se d pushbutto );
O ce the parameters are at the "Actual Value" retur to ormal operatio as follows:
• PNU 52.0 "Fu ctio selectio CU" set to "Retur (0)";
• PNU 799.0 "SF - Super service" set to "SF 0 (0)";
• PNU 51.0 "Access level CU" set to "Normal Operatio - Level (1)";
• Start the i verter a d ope QS2 agai , check that the SYNC is ow accordi g to example i "Fig. 12";
• Close QS2 agai ;
• Procedure complete for UPS1;
NOTE:
This offset compe satio procedure must be followed for ALL the u its co ected to ESB

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6.5. APPENDIX C - 80-NET (BLACK) / TRINERGY
6.5.1. PARA ETERS SETTING - ENABLE EXTERNAL SYNCHONISATION CONTROL
O ce all the co ectio s are do e as per I stallatio Ma ual, switch o QS1 o the first UPS a d set the fol-
lowi g parameters:
• I PPVis click o "Service Tools" a d select "Parameter";
• Set "Access level" to "Superservice": PNU 51=4;
• Set "Fu ctio Selectio " to "HW-I it": PNU 52=2;
• Set "Exter al sy chro izatio co trol" to "E able" : PNU 700=1;
• Set "Fu ctio selectio " back to "Retur " : PNU 52=0;
• Set "Access level" back to "Normal operatio " : PNU 51=1;
• O ce back i ormal operatio ope QS1 a d the electro ics will shut dow ;
Follow these steps for ALL the u its co ected to Exter al Sy chro isatio Box (ESB).
NOTE:
si ce the DIC FW Rev. 1.10 you have also the possibility to cha ge parameters through a graphic i terface:
• I this case i PPVis click o "Service Tools" a d select "Parameter" -> "Parameter set" -> "DIC1 - Ser-
vice commissio i g"
• Set PNU 51 "Access level" to "Superservice(4)";
• Set PNU 52 "Fu ctio Selectio " to "HW-I it(2)";
• Set PNU 700 "Exter al sy chro izatio co trol" to "E able(1)";
• Set PNU 52 "Fu ctio selectio " back to "Retur (0)";
• Set PNU 51 "Access level" back to "Normal operatio (1)";
• Click o "Se d all set values" push butto ;
• O ce back i ormal operatio ope QS1 a d the electro ics will shut dow ;

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6.5.2. OFFSET CO PENSATION TUNING
The parameter 731.32 has bee desig ed to compe sate the phase error, i troduced by the UPS co trol, be-
twee the freque cy refere ce comi g from the ESB a d the i verter output sig al.
To carry out this procedure a oscilloscope betwee reserve i put a d i verter output must be used. The ESB
must be already i stalled a d i terco ected to the UPS system. The PNU 700 must be already set to 1.
The PNU 731.32 calibratio must be do e o each UPS composi g the system.
Please, perform the followi g steps:
• Co ect your oscilloscope to the first UPS;
(Co ect "Cha el 1" to "Bypass I put L1 & N" a d "Cha el 2" to "UPS Output L1 & N", as show i the followi g
figure)
Fig. 13 -
• With NO LOAD co ected, start the i verter;
• Ope the reserve i put switch QS2;
• Verify o the oscilloscope the phase error betwee i verter a d bypass.
The followi g figures shows a example of NO SYNC (Fig. 14) a d SYNC (Fig. 15):
Fig. 14 - Sy chro Error 88,56 [°]
ESB
Main BUS A
Reserve input
oscilloscope
UPS An
F
ref
CH1
CH2
(L1-N)

10H92873 - rev. 8 - 01/2019 - pag. 16
Fig. 15 - Sy chro Error 0 [°]
Whe there is NO SYNC we eed to determi e the offset betwee the two wave forms, i the example of "Fig.
14" there is a differe ce of 88,56°.
I order to e sure a correct sy chro isatio we will e ter a value i PNU 731.32, this is our offset.
To calculate the offset value:
PNU 731.32 = phase-error [°] * 65536 / 360
PNU 731.32 = 88,56° x 65536 / 360
PNU 731.32 = 16121
NOTE1:
If by usi g this formula you are ot able to compe sate the offset, try with the followi g formula:
PNU 731.32 = (360 - phase error [°]) * 65536 / 360
After havi g calculated the ew value for PNU 731.32, please proceed with followi g steps to cha ge it:
• Close QS2 o this first UPS, wait for the War i g W1.1 - Bypass Switch Ope - to be cleared;
• Stop the i verter;
• I PPVis click o "Service Tools" a d select "Parameter";
• Set "Access level" to "Superservice": PNU 51=4;
• Set "Fu ctio Selectio " to "HW-I it": PNU 52=2;
• Set PNU 731.32 "EXT_SYNCH_OFFSET" to "the ew calculated value" (16121 i our example);
• Set "Fu ctio selectio " back to "Retur " : PNU 52=0;
• Set "Access level" back to "Normal operatio " : PNU 51=1;
• Start the i verter a d ope QS2 agai , check that the SYNC is ow accordi g to example i "Fig. 15";
• Close QS2 agai ;
• Procedure complete for UPS1;
NOTE 2:
This offset compe satio procedure must be followed for ALL the u its co ected to ESB.